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Instructions:
- Prepare a boiling water bath canner and keep 6 half-pint jars hot until ready to fill.
- Wear disposable gloves while handling the jalapeños. Finely chop the pineapple, red bell pepper, and jalapeños. For a milder jelly, remove the jalapeño seeds and white membranes before chopping.
- In a large, non-reactive saucepan, combine the pineapple, red bell pepper, jalapeños, and lemon juice.
- Add the granulated sugar and stir until the mixture becomes slushy and the sugar begins to dissolve.
- Bring the mixture to a full rolling boil over medium-high heat, stirring frequently.
- Stir in the liquid pectin and return the mixture to a hard rolling boil.
- Boil for exactly 1 minute, stirring constantly.
- Remove the saucepan from the heat and skim off any foam if desired for a clearer finished jelly.
- Ladle the hot jelly into the prepared hot half-pint jars, leaving ¼-inch headspace.
- Remove any trapped air bubbles if necessary, wipe the jar rims clean, and apply the lids and screw bands until fingertip tight.
- Process the jars in a boiling water bath:
- Half-pint jars: 10 minutes
- Adjust processing times according to your altitude if necessary.
- Carefully remove the jars and allow them to cool undisturbed for 12 to 24 hours. Verify that each lid has sealed properly before storing in a cool, dark place.
Variations
- Leave some or all of the jalapeño seeds and membranes for a hotter jelly.
- Substitute well-drained canned crushed pineapple for fresh pineapple when needed.
- Use yellow or orange bell peppers for a colorful variation with a slightly different sweetness.
- Add a pinch of crushed red pepper flakes for extra heat.
- Serve the jelly over cream cheese with crackers or use it as a glaze for grilled chicken, pork, shrimp, or salmon.
Tips
- Wear gloves when handling jalapeños to protect your skin from the pepper oils.
- Finely chop the fruit and peppers for an even texture and a beautiful finished jelly.
- Use a non-reactive pot, such as stainless steel, to preserve the bright flavor and color.
- Boil the jelly for exactly the amount of time specified after adding the liquid pectin to help achieve a proper set.
- Skim off any foam before filling the jars for a clearer, more attractive jelly.
- Leave the recommended ¼-inch headspace to help ensure a proper seal during processing.
- Label each jar with the canning date and store in a cool, dark pantry for the best quality.
- Once opened, refrigerate the jelly and enjoy it within 3 to 4 weeks.